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Global Seafloor Topography from Satellite Altimetry
This site offers links to maps, posters, globes, and CD-ROMS showing seafloor topography, gravity anomalies, and bathymetry. The images were derived from GEOSAT and ERS satellite data and bathymetric surveys performed by the U.S. Navy.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
  • College (15-16)
Type of resource:
  • Portal:
    • Government
  • Geographical Sciences:
    • Physical geography
  • Ocean Sciences:
    • Physical oceanography
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
As required by 17 U.S.C. 403, third parties producing copyrighted works consisting predominantly of the material produced by U.S. government agencies must provide notice with such work(s) identifying the U.S. Government material incorporated and stating that such material is not subject to copyright protection. The information on government web pages is in the public domain unless specifically annotated otherwise (copyright may be held elsewhere) and may therefore be used freely by the public.
DLESE Catalog ID: NASA-Edmall-500
Resource contact / Creator / Publisher:
Contributor: National Oceanic and Atmospheric Administration
National Geophysical Data Center